1 files changed, 1 insertions, 9 deletions

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 8e81a9860a0d..17a176f7ef11 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -586,14 +586,6 @@ static void get_ctx(struct perf_event_context *ctx)
         WARN_ON(!atomic_inc_not_zero(&ctx->refcount));
 }
 
-static void free_ctx(struct rcu_head *head)
-{
-        struct perf_event_context *ctx;
-
-        ctx = container_of(head, struct perf_event_context, rcu_head);
-        kfree(ctx);
-}
-
 static void put_ctx(struct perf_event_context *ctx)
 {
         if (atomic_dec_and_test(&ctx->refcount)) {
@@ -601,7 +593,7 @@ static void put_ctx(struct perf_event_context *ctx)
                         put_ctx(ctx->parent_ctx);
                 if (ctx->task)
                         put_task_struct(ctx->task);
-                call_rcu(&ctx->rcu_head, free_ctx);
+                kfree_rcu(ctx, rcu_head);
         }
 }